frost/secp256k1-zkp
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modules: Port bitcoin-core/secp256k1#1579 to zkp-specific code

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DarkWindman
2026-02-18 16:26:07 +02:00
parent 913be29ea2
commit e3bddfa750
13 changed files with 34 additions and 12 deletions
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2
src/modules/generator/main_impl.h
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@@ -222,6 +222,7 @@ static int secp256k1_generator_generate_internal(const secp256k1_context* ctx, s
secp256k1_sha256_write(&sha256, prefix1, 16);
secp256k1_sha256_write(&sha256, key32, 32);
secp256k1_sha256_finalize(&sha256, b32);
secp256k1_sha256_clear(&sha256);
ret &= secp256k1_fe_set_b32_limit(&t, b32);
shallue_van_de_woestijne(&add, &t);
if (blind32) {
@@ -234,6 +235,7 @@ static int secp256k1_generator_generate_internal(const secp256k1_context* ctx, s
secp256k1_sha256_write(&sha256, prefix2, 16);
secp256k1_sha256_write(&sha256, key32, 32);
secp256k1_sha256_finalize(&sha256, b32);
secp256k1_sha256_clear(&sha256);
ret &= secp256k1_fe_set_b32_limit(&t, b32);
shallue_van_de_woestijne(&add, &t);
secp256k1_gej_add_ge(&accum, &accum, &add);

2
src/modules/generator/pedersen_impl.h
View File

@@ -28,7 +28,7 @@ static void secp256k1_pedersen_scalar_set_u64(secp256k1_scalar *sec, uint64_t va
value <<= 8;
}
secp256k1_scalar_set_b32(sec, data, NULL);
memset(data, 0, 32);
secp256k1_memclear(data, 32);
}
static void secp256k1_pedersen_ecmult_small(secp256k1_gej *r, uint64_t gn, const secp256k1_ge* genp) {